ITPR3 p.Thr2148=
c.6444G>A · VCV3905014
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0329%, mid)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
|---|---|---|
| Constraint at this position | ||
| Conservation | phyloP -13 | GERP -5.2 |
| Overall | ||
| CADD | 0.557 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0329%
Middle Eastern · 2/6,084 alleles
Filtering AF
0.00656%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00608%
Overall
0.00632%
102/1,614,080 alleles · ultra-rare
exomes 93/1,461,872 · genomes 9/152,208 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Middle Easterngrpmax | 0.0329% | 3,042 |
| European (non-Finnish) | 0.00788% | 12,689 |
| South Asian | 0.00439% | 22,773 |
| Admixed American | 0.00167% | 60,010 |
| Remaining individualsnot grpmax-eligible | 0.0016% | 62,488 |
| African / African-American | 0.00133% | 74,926 |
Rarity supports pathogenicity (ACMG PM2); frequency above a disease-specific BA1/BS1 threshold argues against it. A variant frequent in one ancestry group can be near-absent in others, so a single global figure can mislead.
Variant & gene context
- Gene
- ITPR3
- Protein
- p.Thr2148=
- Coding
- c.6444G>A
- MANE Select
- NM_002224
- Type
- single nucleotide variant
- Location
- chr6:33688307 (GRCh38)
- Gene constraint
- LOEUF 0.67 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 74.04 · 24 PDB
Similar variants
- ITPR3 p.Thr2148Met Uncertain significance ★★ ⚠ same residue
- ITPR3 p.Thr1424Met Pathogenic/Likely pathogenic ★★ ⚠ same type
- ITPR3 p.Ala1352Thr Uncertain significance ★★ ⚠ same type
- ITPR3 p.Arg1085Leu Uncertain significance ★★ ⚠ same type
- ITPR3 p.Arg2659Cys Uncertain significance ★★ ⚠ same type
- ITPR3 p.Asp1968Val Uncertain significance ★★ ⚠ same type
- ITPR3 p.Glu669Asp Uncertain significance ★★ ⚠ same type
- ITPR3 p.Gly1008Trp Uncertain significance ★★ ⚠ same type
Built on 18 open, versioned datasets — ClinVar, gnomAD, AlphaMissense, REVEL, ClinGen & more — plus Sugi Variant's own cross-source analysis. Source data 2026-01–2026-10, ClinVar 2026-10. Full sources & versions →
Cite Sugi Variant
Gür T. Sugi Variant: A Deterministic Per-Variant Germline Reference from a Knowledge Graph for Humans and AI Agents. 2026. doi:10.5281/zenodo.21509445. This variant: https://sugi.bio/variant/itpr3-p-thr2148 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown